false bottom
deep scattering layer (a layer in mid-depths of the sea detected by echo sounders, which rises at night and sinks during the day. Composed of organisms, many of which have a gas filled chamber, such as certain jellyfish and fishes)

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • false bottom — n. 1. a bottom, as of a box, between which and the real bottom there is a secret compartment 2. the bottom of a glass, as one in which whiskey is served, designed to give the illusion that the glass holds more than it does …   English World dictionary

  • False bottom — False bottom. См. Ложное дно. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • false bottom — noun a horizontal structure that partitions a ship or box (especially one built close to the actual bottom) • Hypernyms: ↑structure, ↑construction * * * a horizontal partition above the actual bottom of a box, trunk, etc., esp. one forming a… …   Useful english dictionary

  • False bottom — A false bottom is an internal partition in a container, typically at the bottom of a drawer, suitcase or similar item, enabling the concealment of objects from a cursory examination of the item s contents. A false bottom may be present if the… …   Wikipedia

  • false bottom — a horizontal partition above the actual bottom of a box, trunk, etc., esp. one forming a secret compartment. [1790 1800] * * * …   Universalium

  • false bottom — fake bottom, horizontal partition in the lower part of a suitcase or trunk forming a secret section in which articles may be hidden …   English contemporary dictionary

  • false bottom — /fɔls ˈbɒtəm/ (say fawls botuhm) noun a horizontal partition in the lower part of a box, trunk, etc., especially one forming a secret section …   Australian English dictionary

  • false — W3S3 [fo:ls US fo:ls] adj ▬▬▬▬▬▬▬ 1¦(untrue)¦ 2¦(wrong)¦ 3¦(not real)¦ 4¦(not sincere)¦ 5 false economy 6 under false pretences 7 false move/step 8 false imprisonment/arrest ▬▬▬▬▬▬▬ [Date: 900 1000; : Latin; …   Dictionary of contemporary English

  • bottom — n. 1) (usu. fig.) to scrape the bottom of the barrel ( to use one s last resources ) 2) (fig.) to hit ( reach ) bottom 3) to sink to the bottom 4) a double, false bottom 5) a bottom to (there s a false bottom to the suitcase) 6) at, on the bottom …   Combinatory dictionary

  • bottom — {{Roman}}I.{{/Roman}} noun 1 lowest part of sth ADJECTIVE ▪ false ▪ a case with a false bottom VERB + BOTTOM ▪ arrive at, fall to, get to, reach …   Collocations dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”